A laser weapon is a directed energy weapon that uses a directionally launched ( ) to directly damage or invalidate the target.
A: Laser beam
B: Electric current
C: Missile
D: Bullet
A: Laser beam
B: Electric current
C: Missile
D: Bullet
举一反三
- A laser beam can be turned into a ____ weapon.
- A laser beam can be turned into a______ (dead) weapon.
- Which is NOT the correct description about Laser? A: It stands for Light Amplification by Stimulated Emission. B: It’s a beam of light energy. C: All the light waves in a laser are emitted in the same rhythm. D: The light waves in a laser are of different wavelengths.
- A laser beam can be turned into a ____________ weapon. A: deadly B: dead C: dying D: diedly
- Codes are scanned by ______. A: the checkout clerk B: the customers themselves C: a laser beam of light D: the cash register